After two seasons on the air, the network has elected to conclude the drama series. Boss was critically well-regarded, though rather grim and low rated. It earned Grammer a Golden Globe for his portrayal of a vindictive Chicago Mayor who was increasingly impaired by a neurological disease.

“After much deliberation, we have made the difficult decision to not proceed with Boss,” the network said in a statement. “We remain proud of this award-winning show, its exceptional cast and writers, and are grateful to Kelsey Grammer, Farhad Safinia and our partners at Lionsgate TV.”

The first season averaged only 643,000 viewers for premiere episodes. The second season, which Starz ordered before the first season debuted, averaged 579,000. The move comes as Starz makes room for an unprecedented four original dramas on the air next year: Da Vinci’s Demons (first trailer here), the final season of Spartacus: War of the Damned, the second season of Magic City and new series The White Queen. The network also has pirate drama Black Sails coming in 2014.